Call is not going through and not shown in Last Calls
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- Make sure that configuration is correct on Caller side and it is really sending call to right IP (your server IP).
- Make sure that iptables are not blocking Caller IP on server side. Command to do that:
# iptables -L -n | grep DROP | grep 11.22.33.44
Where 11.22.33.44 is Caller's Public IP address.
If IP is blocked by iptables in your server output, will look like this:
DROP all -- 11.22.33.44 0.0.0.0/0
If you are not getting such line, IP is not blocked by iptables on your server.
To unblock IP:
iptables -nL --line-numbers | grep 11.22.33.44
output will be like:
4 DROP all -- 11.22.33.44 0.0.0.0/0
notice that first number and then place in following command to delete rule which block IP:
iptables -D INPUT 4
After this command IP will be unblocked.